[4/4] sparc: Fix sparc64 memmove length comparison (BZ 31266)
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redhat-pt-bot/TryBot-apply_patch |
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redhat-pt-bot/TryBot-32bit |
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linaro-tcwg-bot/tcwg_glibc_build--master-aarch64 |
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Commit Message
The small counts copy bytes comparsion should be unsigned (as the
memmove size argument). It fixes string/tst-memmove-overflow on
sparcv9, where the input size triggers an invalid code path.
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
---
sysdeps/sparc/sparc64/memmove.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
@@ -38,7 +38,7 @@ ENTRY(memmove)
/*
* normal, copy forwards
*/
-2: ble %XCC, .Ldbytecp
+2: bleu %XCC, .Ldbytecp
andcc %o1, 3, %o5 /* is src word aligned */
bz,pn %icc, .Laldst
cmp %o5, 2 /* is src half-word aligned */